fix: throw error when building failed in quiet mode

[clarkdo]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Fix #5623

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly. (PR: #)
• I have added tests to cover my changes (if not applicable, please state why)
• All new and existing tests are passing.

[codecov-io]

Codecov Report

Merging #6075 into dev will decrease coverage by 0.03%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##              dev    #6075      +/-   ##
==========================================
- Coverage   95.69%   95.65%   -0.04%     
==========================================
  Files          82       82              
  Lines        2694     2695       +1     
  Branches      693      693              
==========================================
  Hits         2578     2578              
- Misses         98       99       +1     
  Partials       18       18

Flag	Coverage Δ
#e2e	100% <ø> (ø)	⬆️
#fixtures	50.09% <0%> (-0.02%)	⬇️
#unit	92.8% <0%> (-0.04%)	⬇️

Impacted Files	Coverage Δ
packages/webpack/src/builder.js	92.55% <0%> (-1%)	⬇️

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